National Stock Number
5210-00-405-1690
National Stock Number (NSN) 5210-00-405-1690, or NIIN 004051690, (straightedge) was assigned April 5, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 21, 2011, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 05155. [A BAR OR SLIP OF WOOD, METAL, OR PLASTIC, HAVING ONE OR MORE LONG EDGES MADE STRAIGHT WITHIN A DESIRED DEGREE OF ACCURACY. IT IS USED FOR TESTING STRAIGHT LINES OR SURFACES, DRAWING STRAIGHT LINES, AND THE LIKE. STRAIGHTEDGES HAVING ONE BEVELED EDGE MAY BE GRADUATED ON THE BEVELED EDGE. EXCLUDES:STRAIGHTEDGE, PARALLEL RULING, GUIDE CORD; SCALE (AS MODIFIED); RULE (AS MODIFIED) AND RULER (AS MODIFIED).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5210004051690 does not contain precious metals.
This NSN is associated to Schedule B 9017208060: drawing, marking-out or mathematical calculating instruments, nesoi. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334519: other measuring and controlling device manufacturing.
This information was last updated on Aug 01, 2025.